Braille Code of
Chemical Notation
1997


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Rules
  • 1. Braille Indicators
  • 2. General Format
  • 3. Signs and Symbols
  • 4. Formulas/Equations
  • 5. Labels
  • 6. Type Forms
  • 7. Super/Subscripts
  • 8. Names
  • 9. Abbreviations
  • Index of Symbols
  • Index
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  • ©hoose LANGUAGE

    bArd fr©Ide

    INDEX OF BRAILLE SYMBOLS
    FOR CHEMICAL NOTATION


    The items in this index are "alphabetized" in accordance with the list of the 63 braille symbols, arranged in their standard order, and numbered according to their rank in the list.

    23 x dots 1346

    x small x electron dot x

    26 & dots 12346

    & pair of electron dots
    right or upper regular,
    left or lower bold or hollow

    31 * dots

    * chemical period
    * single, regular electron dot

    33 % dots 146

    % pair of electron dots
    right or upper x, left or
    lower regular

    34 ? dots 1456

    ? pair of regular electron dots

    35 : dots 156

    : pair of electron dots:
    right or upper bold or
    hollow, left or lower x


    36 $ dots 1246

    $ pair of electron dots:
    right or upper regular,
    left or lower x

    $bc ring structure: circle
    (broken outline)

    $b6 ring structure: hexagon
    (broken outline)

    $c+ plus sign within a circle:
    used as a modifier

    $c- minus sign within a circle:
    used as a modifier

    $< chemical arrow: up-pointing
    regular

    $<"% chemical arrow: regular up-pointing
    followed by regular down-
    pointing

    $<"_% chemical arrow: regular up-pointing
    followed by bold down-
    pointing

    $% chemical arrow: regular down-
    pointing

    $[3+ chemical arrow: horizontal 12
    dipole, left-pointing

    $+< chemical arrow: vertical or
    oblique dipole, up-
    pointing

    $+% chemical arrow: vertical or
    oblique dipole, down-
    pointing


    36 $ (cont.) Page

    $+3o chemical arrow: horizontal
    dipole, right-pointing

    $@<",% chemical arrow: half-barb up-
    pointing followed by
    half-barb down-pointing

    $_< chemical arrow: bold up-pointing


    $_<"% chemical arrow: bold up-pointing
    followed by regular down-
    pointing

    $_% chemical arrow: bold down- pointing

    37 ] dots 12456

    } closing indicator for a
    chemical bond

    ] pair of electron dots: right
    or upper bold or hollow,
    left or lower regular

    38 | dots 1256

    | triplet of regular electron
    dots (three pairs)

    39 [ dots 246

    [ pair of electron dots: x's x x

    [o vertices (any unlabeled
    vertex)




    51 / dots 34 Page

    / single electron dot: bold or
    hollow

    /$[3o crossed arrow

    53 # dots 3456

    # pair of electron dots: bold or
    hollow

    #n runover locator (n represents an
    upper number assigned by
    the transcriber)

    54 > dots 345

    > pair of electron dots: right or
    upper x, left or lower bold
    or hollow

    57 @ dot 4

    @| partition line: vertical, dotted

    @|@| partition line: double vertical,
    dotted

    @@| partition line: vertical, jagged

    @", small capital letter indicator

    @.o crossed O O

    @;|, barred capital letter indicator

    59 _ dots 456

    _ opening indicator for a
    horzontal bond


    59 _ (cont.) Page

    _ vertical single bond 16

    _e vertical single bond: jagged 16

    _ei vertical double bond: jagged

    _ei] horizontal double bond: jagged
    (including indicators) 14

    _e] horizontal single bond: jagged
    (including indicators)

    _g vertical bond: bold

    _g] horizontal bond: bold
    (including indicators)

    _m wedge, vertical or oblique bond:
    down-pointing, normal
    outline

    _o] wedge, horizontal bond: right-
    pointing, normal outline
    (including indicators)

    _p wedge, vertical or oblique bond:
    down-pointing, filled in

    _r] wedge, horizontal bond: right-
    pointing, filled in (including
    indicators)

    _u wedge, vertical or oblique bond:
    up-pointing, normal outline

    _v wedge, vertical or oblique bond:
    up-pointing, filled in

    _x vertical bond: barred 16

    _xm wedge, vertical or oblique bond:
    down-pointing, barred

    59 _ (cont.) Page

    _xu wedge, vertical or oblique bond:
    up-pointing, barred

    _=] horizontal triple bond
    (including indicators)

    _* oblique bond: upper left to
    lower right

    _** oblique bond: upper left to
    lower right, double

    _*< oblique arrow bond: lower
    right to upper left

    _*% oblique arrow bond: upper
    left to lower right

    _< vertical arrow bond: up-
    pointing

    _% vertical arrow bond: down-
    pointing

    _|o] wedge, horizontal bond: 18
    right-pointing, barred
    (including indicators)

    _|] horizontal bond: barred
    (including indicators)

    _|[] wedge, horizontal bond
    left-pointing, barred
    (including indicators)

    _[] wedge, horizontal bond left-
    pointing, normal outline
    (including indicators)

    _[3] horizontal arrow bond left-
    pointing (including
    indicators)

    59 _ (cont.) Page

    _w] wedge, horizontal bond left-
    pointing, filled in
    (including indicators)

    _x* oblique bond upper left to
    lower right, barred

    _x/ oblique bond lower left to
    upper right, barred

    _1 vertical bond dotted

    _1m wedge, vertical or oblique bond
    down-pointing, dotted outline

    _1o] wedge, horizontal bond right-
    pointing, dotted outline
    (including indicators)

    _1u wedge, vertical or oblique bond
    up-pointing, dotted outline

    _1* oblique bond: upper left
    to lower right, dotted

    _1] horizontal bond: dotted
    (including indicators)

    _1[] wedge, horizontal bond: left-
    pointing, dotted (including
    indicators)

    _1/ oblique bond: lower left
    to upper right, dotted

    _2 vertical bond: broken

    _2m wedge, vertical or oblique bond
    down-pointing, dashed
    outline


    59 _ (cont.) Page

    _2o] wedge, horizontal bond: right-
    pointing, dashed outline
    (including indicators)

    _2u wedge, vertical or oblique bond
    up-pointing, dashed outline


    _2* oblique bond: upper left to
    lower right, broken

    _2] horizontal bond: broken
    (including indicators)

    _2[] wedge, horizontal bond: left-
    pointing, dashed outline
    (including indicators)

    _2/ oblique bond: lower left to
    upper right, broken

    _3o] horizontal arrow bond: right- pointing (including
    indicators)

    _3] horizontal single bond
    (including indicators)

    _7] horizontal double bond
    (including indicators)

    _9 vertical single bond: wavy

    _9] horizontal single bond: wavy (including indicators)

    _95 vertical double bond: wavy

    _95] horizontal double bond: wavy
    (including indicators)

    _/ oblique bond: lower left to upper right

    59 _ (cont.) Page

    _/< oblique arrow bond: lower
    left to upper right

    _/% oblique arrow bond: upper
    right to lower left

    _// oblique double bond: lower
    left to upper right

    __ vertical double bond
    ___ vertical triple bond

    60 " dot 5

    "5959 horizontal partition line: 19
    jagged

    61 . dots 46

    . triplet electron dot indicator
    (Used to construct only
    those triplets composed of
    other than regular electron
    dots.) For example:

    .| vertical partition line: broken






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